fix some on properties and signal connection

src/Vtk/vtkViewport.cpp

@@ -208,6 +208,7 @@ void Viewport::SetupPipeline(vtkRenderWindowInteractor* iren)
             auto* self = static_cast<Viewport*>(clientdata);
             for (auto* p : self->m_Puppets) {
                 if (p->IsSelected()) {
+                    p->SyncFromVtk();
                     p->Update();
                 }
             }
@@ -518,6 +519,7 @@ void Viewport::SelectPuppet(Puppet* prop)
     }
     
     Render();
+    OnSelectionChanged(prop);
 }
 
 void Viewport::SetGridVisible(bool visible)